... 1). Material: Aluminum alloy Water-proof,Anti-UV,Anti-corrosion;Driver with strict & long time test before application; LED chip ... , label, packing etc. All with signature of the responsible.Driver Certificates and Patent in Germany, USA,Australia, Taiwan and Japan ... lighting,but also art of lighting at low cost. Applications: Office, Star Hotel, Villa, Club,Meeting Hall,Hostpital,museum, library, ...